Home / 656,110.40-982,783.20-531,694.40

Finding the Fourth Proportional to 656,110.40, 982,783.20 and 531,694.40

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Solution

The fourth proportional to 656,110.40, 982,783.20 and 531,694.40 is: 796,421.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,110.40 : 982,783.20 = 531,694.40 : x
  2. Step 2: Convert to fraction form
    656,110.40/982,783.20 = 531,694.40/x
  3. Step 3: Cross multiply
    656,110.40x = 982,783.20 × 531,694.40
  4. Step 4: Simplify right side
    656,110.40x = 522,540,323,854.08
  5. Step 5: Solve for x
    x = 522,540,323,854.08/656,110.40
  6. Step 6: Final answer
    x = 796,421.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.